In mathematics, twelve is a number made up of perfect number divisors.
There are twelve petals in the Heart Chakra.
The human body has twelve cranial nerves.
There is twelve inches in a foot, twelve hours in each half of the day, and twelve months in a year.
The basic units of time, 60 seconds, 60 minutes and 24 hours can all perfectly divide by twelve.
Twelve is the number of keys on any standard digital telephone (1 through 9, 0, * and #).
The number of function keys on most PC keyboards is twelve (F1 through F12).
The Beatles released twelve studio albums.
The Florida Keys Manatee is pregnant for twelve months.
Paradise Lost, by John Milton, is divided into twelve books.
In ten-pin bowling, twelve is the number of strikes needed for a perfect game.
There are twelve of something in a dozen and a Gros is a dozen of a dozen.
Regular cubes have twelve edges.
The densest three-dimensional lattice sphere packing has each sphere touching twelve others.
Force 12 is the maximum wind speed of a hurricane.
Jacob had twelve sons who were the progenitors of the Twelve Tribes.
Jesus had twelve apostles.
In Shi’a Islam there are twelve Imans who are the legitimate successors to the prophet Mohammad.
Twelve is the kissing number in three dimensions.
Joe Namath wore the number 12.
There are twelve basic hues in the color wheel.
In English, twelve is the number of the greatest magnitude that has just one syllable.
There are twelve face cards in a card deck.
Twelve people sit on a United States jury.
There are normally twelve pairs of ribs in the human body.
Twelve people have walked on Earth’s moon.
In a 12-step program to recovery, the twelfth and final step is the door of freedom.